Profitable GEO-to-LEO transition marks a big step towards multi-orbit satellite tv for pc connectivity for future 6G networks
Keysight Applied sciences and KT SAT introduced that they’ve achieved what they are saying is the business’s first NR-NTN (New Radio–Non-Terrestrial Community) handover between two totally different satellite tv for pc orbits — shifting from a business geostationary (GEO) satellite tv for pc to a simulated low-Earth orbit (LEO) hyperlink. The check was carried out at KT SAT’s Kumsan Satellite tv for pc Community Operation Heart and relied on a reside Ku-band connection by the newly launched KOREASAT-6A.
The achievement marks an essential milestone for the satellite tv for pc business, because it validates early behaviors of the 3GPP Launch-19 Ku-band NTN customary—vital steerage for the following wave of world non-terrestrial deployments. By incorporating Ku-band operation into the handover check, the businesses demonstrated how NR-NTN techniques could carry out when transitioning throughout orbital layers, a capability anticipated to underpin multi-orbit satellite tv for pc networks spanning GEO, MEO and LEO.
Why Multi-Orbit Mobility Issues for 6G
Integrating satellite tv for pc and terrestrial networks is more and more seen as important for 6G. But satellite tv for pc hyperlinks include engineering challenges—latency, Doppler results and unstable sign circumstances—that complicate mobility throughout house and floor domains.
The current trial reveals that these obstacles may be overcome. By proving {that a} system can preserve service continuity whereas switching from GEO to LEO, Keysight and KT SAT demonstrated a foundational functionality for constructing resilient, always-on connectivity—notably essential for distant, maritime and emergency communicationpeng environments.
Going Past Single-Orbit Demonstrations
Earlier NTN demonstrations primarily centered on GEO-only situations. This experiment strikes additional, validating steady mobility throughout orbits. For KT SAT, this represents progress towards providing versatile multi-orbit communication companies; for the ecosystem, it alerts that multi-layer satellite tv for pc networks are now not theoretical.
The check additionally strengthens the technical foundation for Ku-band NTN mobility, aligning carefully with world operator planning for Launch-19 frequency use.
Contained in the Lab Trial
The demonstration used Keysight’s Community Emulator Options and UeSIM RAN Testing Toolset to simulate:
- base station habits
- person tools habits
Engineers created a reside two-way Ku-band hyperlink through KOREASAT-6A, then executed a handover from GEO to the emulated LEO hyperlink with out dropping service. As a result of the GEO hyperlink used Ku-band frequencies in line with Launch-19 NTN bands, the check produced insights instantly relevant to early business system design.
Business Impression: A Decrease-Danger Path to Multi-Orbit Deployment
The managed setting method is designed to scale back reliance on expensive subject trials. Operators can mannequin advanced mobility situations earlier than actual constellations are deployed; system and chipset distributors can validate NTN efficiency earlier in growth.
This improves:
- time-to-trial for rising NTN options
- interoperability readiness throughout distributors
- confidence in scaling multi-orbit techniques with out prohibitive danger
In accordance with the businesses, the info generated will assist form requirements discussions and operator methods globally.
Business Leaders Reply
KT SAT CEO Website positioning Younger-soo highlighted the strategic worth of the breakthrough:
“As the one satellite tv for pc communications service supplier in Korea, KT SAT is progressively validating the applicability of NTN gNB and UE utilizing our 5 operational GEO satellites. Constructing on the outcomes of this trial, we’ll actively discover strengthening the competitiveness of our next-generation GEO satellite tv for pc for the worldwide market and delivering built-in multi-orbit communication companies primarily based on NTN techniques, together with visitors handover throughout our personal GEO and future LEO/MEO constellations.”
Keysight’s Wi-fi Take a look at Group Vice President Peng Cao emphasised the advantages of emulation-based testing:
“This demonstration reveals how emulation can carry future multi-orbit networks into the lab at present. By combining a reside GEO reference to emulated LEO circumstances utilizing NR-NTN parameters in Ku-band, Keysight provides operators and distributors a sensible solution to examine NTN handover habits, optimize mobility methods, and cut back the price and danger of early deployments.”
Towards a Multi-Layer, 6G-Prepared Satellite tv for pc Ecosystem
The profitable trial positions KT SAT to advance towards a multi-layer satellite tv for pc service portfolio that blends the soundness of GEO platforms with the decrease latency and agility of LEO techniques. As 6G analysis accelerates, each corporations anticipate multi-orbit NTN structure to develop into a core element of next-generation communication networks.
With this demonstration, operators achieve a clearer roadmap for integrating satellite tv for pc and terrestrial domains—a functionality more and more seen as basic to world 6G infrastructure.
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